In depth comparison and review of EPOS I SENNHEISER ADAPT 561 II and Poly Blackwire C5220. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | EPOS I SENNHEISER ADAPT 561 II | Poly Blackwire C5220 |
|---|
| Product Type | Headset - Bluetooth - wireless | Headset - wired - 3.5 mm jack, USB-A | |
|---|---|---|---|
| Series | ADAPT 500 Series | Blackwire 5200 series | |
| Weight | 232 g | 164.2 g | Poly Blackwire C5220 are lighter than EPOS I SENNHEISER ADAPT 561 II headphones. |
| Colour | - | Black | |
| Earpad Material | Plush, textured fabric | Artificial leather | |
| Recommended Use | Portable electronics, computer | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 25 m | - |
| SOUND QUALITY | EPOS I SENNHEISER ADAPT 561 II | Poly Blackwire C5220 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 5.0 | - | |
| Bluetooth Audio Codec | SBC, AAC | - | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Hybrid ANC | SoundGuard | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | EPOS Voice | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Total Harmonic Distortion (THD) | <0.3% | - | |
| Sensitivity | - | 90 dB | |
| Impedance | 32 Ohm | 32 Ohm | |
| Max Sound Pressure | 108 dB | - | |
| Diaphragm | - | 28 mm | |
| Features | Audio prompts | Digital signal processing, Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | EPOS I SENNHEISER ADAPT 561 II | Poly Blackwire C5220 |
|---|
| Form Factor | Headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | Beamforming, MEMS-directional | - | |
| Noise Cancelling | - | Yes | Poly Blackwire C5220 microphone can cancel out ambient noise. |
| Frequency Response | 100 - 10000 Hz | 100 - 10000 Hz | The frequency response of the microphones in both headphones is the same. |
| Sensitivity | - | -38 dB | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | EPOS I SENNHEISER ADAPT 561 II | Poly Blackwire C5220 |
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| Controls | - | Mute, volume, answer/end |
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| CABLE | EPOS I SENNHEISER ADAPT 561 II | Poly Blackwire C5220 |
|---|
| Cable Type | USB-C to USB-C cable - detachable | USB-A cable - 21.7 cm |
|---|
| FEATURES | EPOS I SENNHEISER ADAPT 561 II | Poly Blackwire C5220 |
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| Features | EPOS ActiveGard | 280° rotatable microphone |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER ADAPT 561 II | Poly Blackwire C5220 |
|---|
| Battery Type | Headset battery rechargeable | - | |
|---|---|---|---|
| Battery Life Details | Continuous playback (noise cancelling OFF): up to 46 hours Continuous talk (noise cancelling OFF): up to 41 hours Continuous playback (noise cancelling ON): up to 24 hours Continuous talk (noise cancelling ON): up to 24 hours |
- | |
| Standby Time | 81 day | - | |
| Charging Time | 220 min | - |
| CONNECTIONS | EPOS I SENNHEISER ADAPT 561 II | Poly Blackwire C5220 |
|---|
| Connector Type | - | USB (USB Type-A) Headset (mini-phone 3.5mm) |
|---|
| OTHERS | EPOS I SENNHEISER ADAPT 561 II | Poly Blackwire C5220 |
|---|
| Included Accessories | Carrying case, BTD 800 USB-C dongle, USB-C to USB-C cable | Carrying case | |
|---|---|---|---|
| Software Included | - | Poly Lens | |
| Compatibility | - | Mac, Windows | |
| Software Certification | Zoom Certified, Certified for Microsoft Teams, Optimised for UC, Optimised for Google Meet | Certified for Skype for Business, Certified for Microsoft Teams, Certified for Zoom Rooms, Avaya Certified, Cisco Jabber Certified | |
| Supported Host Device OS | - | macOS, Windows | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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